984198097 has 4 divisors (see below), whose sum is σ = 984420976. Its totient is φ = 983975220.

The previous prime is 984198079. The next prime is 984198107. The reversal of 984198097 is 790891489.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 984198097 - 2¹¹ = 984196049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (984198197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104679 + ... + 113692.

It is an arithmetic number, because the mean of its divisors is an integer number (246105244).

Almost surely, 2^984198097 is an apocalyptic number.

It is an amenable number.

984198097 is a deficient number, since it is larger than the sum of its proper divisors (222879).

984198097 is a wasteful number, since it uses less digits than its factorization.

984198097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222878.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The square root of 984198097 is about 31371.9316746674. The cubic root of 984198097 is about 994.7047083802.

The spelling of 984198097 in words is "nine hundred eighty-four million, one hundred ninety-eight thousand, ninety-seven".